Home / 355,820,030.20-532,690,782.90-253,783,358.20

Finding the Fourth Proportional to 355,820,030.20, 532,690,782.90 and 253,783,358.20

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Solution

The fourth proportional to 355,820,030.20, 532,690,782.90 and 253,783,358.20 is: 379,933,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,820,030.20 : 532,690,782.90 = 253,783,358.20 : x
  2. Step 2: Convert to fraction form
    355,820,030.20/532,690,782.90 = 253,783,358.20/x
  3. Step 3: Cross multiply
    355,820,030.20x = 532,690,782.90 × 253,783,358.20
  4. Step 4: Simplify right side
    355,820,030.20x = 135,188,055,766,549,120
  5. Step 5: Solve for x
    x = 135,188,055,766,549,120/355,820,030.20
  6. Step 6: Final answer
    x = 379,933,798.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.